EDIT: The code has been updated to include the changes suggested by @Igor Artamonov,
the problem however still occurs! I did noticed the following though with reference to this image, owner 2 had a ...

I deployed my site to Google App Engine (using Golang and datastore with 1000 records). billing is enabled and a daily budget established. The Quota Details page indicates everything is under quota. ...

1: I tried to load on an existing table [using Datastore file]
2. Bq Shell asked me to add write_disposition to write append to load to existing table
3. If I do the above, throws an error as follows:
...

I have let's say 1000 key names whose existance I want to check in the Google App Engine datastore, but without fetching the entities themselves. One of the reason, beside possible speedups, is that ...

I am looking to execute an API method in my phonegap application to retrive all the entries from the datastore. I have been testing this on a samsung S4 and can't seem to get any errors or anything in ...

The argument has been made and settled on numerous occasions: Blobstore is better than DataStore for storing images. Now say I have an app similar to Instagram or Facebook or Yelp or any of those apps ...

I am porting a simple CRUD rest service and I realized that the data-store consistency is not immediate.
Currently I make a POST request to create the entity with and get the status code 202 (because ...

I have two NDB Model classes, Book and Author. Author has a StringProperty "name" and an auto_add_now "date", and Book has a PickleProperty "authors" which is a list of objects of type Author.
I want ...

Number of entries is a little more than 337k, however queries to fetch even just a single entry is taking anywhere from 600-1500ms. That seems fairly high to me. Is that normal or am I doing something ...

I am using Lucene with Datastore/App Engine and when I try to purge the indexes, I get an Optimistic Concurrency error:
com.googlecode.objectify.impl.TransactorNo transactNew: Optimistic concurrency ...

My App Engine evaluation period ended a few days ago and I did the upgrade. The creditcard data was already registered. Now, my application goes down after a few hours. In the logs I see the message: ...

ListingStore.query().filter(ListingStore.account_id==1).fetch(10, offset=40)
Above is a query to return the 5th page of results from my dataset.
My problem is that I have to return the total number ...

I have the id of an child, and would like to get the parent Entity without looping through all entities.
I can not create the Key with KeyFactory.createKey, because I don't know the parent, and I can ...

I wanted to create a few entities to a new app from my existing python application.
Unfortunately, I realised that some of them are just too big and too expensive to copy this way (tens of millions ...

I was trying to test this Google Datastore Library for PHP. I have copied the GDS folder to my application's root directory and created a php file in the same root directory. When i run the code I'm ...

For a project I am using Google App Engine's Datastore with PHP, which does not have official documentation.
I used the following guide to successfully be able to add new entities to the datastore, ...

I am developing an application that will take HTML and images from the user and save it in a datastore. So far this part is done. How do I serve these images as resources of the HTML page when a user ...

I'm following this tutorial to get started with the Google Cloud Datastore: https://cloud.google.com/datastore/docs/getstarted/start_java/.
At this point I have my Cloud account all set up with the ...

I have a local app development server on my machine. Here I also have a local datastore named localdb.bin.
I am trying to export all the indexes or all the records to the Google App Engine Datastore. ...

UPDATE: It appears to work if I remove transaction related code, any reason why that would be?
I'm having trouble with a simple hello world using GAE DatastoreService. I'm just trying to put stuff in ...

Here's a [python code][1] that I would like to know if can also be used for GAE Java (when code is migrated). So the question is, is the python code below something that can converted to Java without ...

I want to design a database to where I would store objects that are instances of different classes but are extended from one common class. Along with the object, I would store key that will be used to ...